Smittybilt TN1140-S4S Sure Step Side Bars in Stainless Steel All stainless Steel Sure Steps are manufactured from a Prime 304 (L) Marine Grade Stainless The highest quality stainless available in the aftermarket All Sure Step Brackets use powder coated 3/8" - 1/4" steel no drill brackets (most cases) Each bracket has been examined to ensure a "No Bounce" fit and easy of installation All step pads are secured with five pins on a squashed step No exposed metal to rust or flimsy pad attachments